[EXTERNAL] [PATCH v4 1/4] compressdev: support for dictionaries and PDCP checksum

[Ashish Gupta]

Adds definitions for PDCP checksums and apis to pass in

dictionaries



Signed-off-by: Sameer Vaze <svaze at qti.qualcomm.com<mailto:svaze at qti.qualcomm.com>>

---

v4:

* Removed enum for max window size



 lib/compressdev/rte_comp.h | 22 ++++++++++++++++++++++

 1 file changed, 22 insertions(+)



diff --git a/lib/compressdev/rte_comp.h b/lib/compressdev/rte_comp.h

index 96d9b276dd..6384a388d4 100644

--- a/lib/compressdev/rte_comp.h

+++ b/lib/compressdev/rte_comp.h

@@ -101,6 +101,10 @@ enum rte_comp_op_status {

             * is not an error case. Output data up to op.produced can be used and

             * next op in the stream should continue on from op.consumed+1.

             */

+ RTE_COMP_OP_STATUS_CHECKSUM_VALIDATION_FAILED,

+          /**< Checksum validation failed. Either calculated does checksum not match

+           * the one provided or there was an error calculating the checksum

+           */

 };



 /** Compression Algorithms */

@@ -166,6 +170,10 @@ enum rte_comp_checksum_type {

            /**< Generates a xxHash-32 checksum, as used by LZ4.

             * https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_Cyan4973_xxHash_blob_dev_doc_xxhash-5Fspec.md&d=DwIDAg&c=nKjWec2b6R0mOyPaz7xtfQ&r=ScGQYA6dCyCeOASSKyJT4AFfucPXjxmWH0kzKGsrhx8&m=qQcQII3KwHrCisdap7Z40XFS9CS3XhAYiVCHwf4z4t3-vgH4AbotVhAFNQhVGbOk&s=loTsgaiXC0HduZPQMxN7tAGgNXe6gXt1LZwBIz6Jr1k&e=

             */

+          RTE_COMP_CHECKSUM_3GPP_PDCP_UDC,

+          /**< Generates checksum as defined under Uplink Data Compression

+           * checksum as defined in the 3GPP PDCP specification

+           */

 };



 /** Compression Huffman Type - used by DEFLATE algorithm */

@@ -228,6 +236,18 @@ enum rte_comp_op_type {

 struct rte_comp_deflate_params {

            enum rte_comp_huffman huffman;

            /**< Compression huffman encoding type */

+          uint8_t *dictionary;

+          /**< Pointer to memory containing dictionary to be used for deflate operations */

+          uint16_t dictionary_len;

+          /**< Length of dictionary to be used */

+};

+

+/** Parameters specific to the inflate algorithm */

+struct rte_comp_inflate_params {

+          uint8_t *dictionary;

+          /**< Pointer to memory containing dictionary to be used for inflate operations */

+          uint16_t dictionary_len;

+          /**< Length of dictionary to be used */

 };



 /**

@@ -321,6 +341,8 @@ struct rte_comp_decompress_xform {

             * setup of stream or private_xform should fail.

             */

            union {

+                       struct rte_comp_inflate_params inflate;

+                       /**< Parameters specific to the deflate algorithm */

                         struct rte_comp_lz4_params lz4;

                         /**< Parameters specific to the LZ4 algorithm */

            }; /**< Algorithm specific parameters */

--

2.31.1





Acked-by: Ashish Gupta ashishg at marvell.com<mailto:ashishg at marvell.com>
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